102131203230 has 192 divisors, whose sum is σ = 318041942400. Its totient is φ = 22713094656.

The previous prime is 102131203219. The next prime is 102131203243. The reversal of 102131203230 is 32302131201.

102131203230 is a `hidden beast` number, since 10 + 21 + 312 + 0 + 323 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1097482 + ... + 1186898.

It is an arithmetic number, because the mean of its divisors is an integer number (1656468450).

Almost surely, 2^102131203230 is an apocalyptic number.

102131203230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102131203230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159020971200).

102131203230 is an abundant number, since it is smaller than the sum of its proper divisors (215910739170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102131203230 is a wasteful number, since it uses less digits than its factorization.

102131203230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89488 (or 89471 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 102131203230 its reverse (32302131201), we get a palindrome (134433334431).

The spelling of 102131203230 in words is "one hundred two billion, one hundred thirty-one million, two hundred three thousand, two hundred thirty".